The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Feb. 24, 2009

Filed:

Jan. 11, 2005
Applicants:

Qun Sun, Belle Mead, NJ (US);

R. Richard Goehring, Pipersville, PA (US);

Donald Kyle, Newtown, PA (US);

Zhengming Chen, Belle Mead, NJ (US);

Sam Victory, Newtown, PA (US);

John Whitehead, Newtown, PA (US);

Inventors:

Qun Sun, Belle Mead, NJ (US);

R. Richard Goehring, Pipersville, PA (US);

Donald Kyle, Newtown, PA (US);

Zhengming Chen, Belle Mead, NJ (US);

Sam Victory, Newtown, PA (US);

John Whitehead, Newtown, PA (US);

Assignee:

Purdue Pharma L.P., Stamford, CT (US);

Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07D 235/00 (2006.01); C07D 235/20 (2006.01); C07D 403/02 (2006.01); A61K 31/40 (2006.01);
U.S. Cl.
CPC ...
Abstract

A compound of the formula (I), (II), (III) or (IV)


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